249385682 has 32 divisors (see below), whose sum is σ = 487492992. Its totient is φ = 92853504.

The previous prime is 249385679. The next prime is 249385687. The reversal of 249385682 is 286583942.

It is not an unprimeable number, because it can be changed into a prime (249385687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37208 + ... + 43395.

It is an arithmetic number, because the mean of its divisors is an integer number (15234156).

Almost surely, 2^249385682 is an apocalyptic number.

249385682 is a deficient number, since it is larger than the sum of its proper divisors (238107310).

249385682 is a wasteful number, since it uses less digits than its factorization.

249385682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80642.

The product of its digits is 829440, while the sum is 47.

The square root of 249385682 is about 15791.9499112681. The cubic root of 249385682 is about 629.4441069366. Note that the first 3 decimals are identical.

The spelling of 249385682 in words is "two hundred forty-nine million, three hundred eighty-five thousand, six hundred eighty-two".